Interaction of polyquaternary ammonium salt and persulfate

Mazoniene, Edita; Zemaitaitiene, Rima Jule; Buika, Gintaras; Zemaitaitis, Algirdas

doi:10.1007/s00396-003-0869-2

Cited by 9 publications

(6 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…These interactions are strongly sensitive to some parameters such as the chain length, the charge density, the polyelectrolyte concentration, the counterion type, the ionic strength, the solvent polarity, etc. [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23]. Perhaps the most significant parameter affecting the solution properties of a polyelectrolyte is the linear charge density whose importance has been promoted by Manning in his counterion condensation theory [24,25].…”

Section: Introductionmentioning

confidence: 99%

Transport properties of some cationic polysaccharides

Ghimici¹,

Nichifor²

2006

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Transport properties of some cationic polysaccharides

Ghimici¹,

Nichifor²

2006

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

“…The literature survey disclosed the nonspecific binding of counterions by polyelectrolytes in halide series 21, 22. It was also corroborated for polymers with quaternary ammonium groups in the backbone of macromolecules 22.…”

Section: Resultsmentioning

confidence: 78%

“…The other polyquaternary ammonium halides such as bromide (PDADMAB), iodide (PDADMAI), and mixed salts PDADMA(Cl 1− x I x ) were prepared in ion‐exchange reactions, as described later, by mixing PDADMAC with solutions of halides of alkali metals. The same method was applied for the preparation of PDADMA persulfate (PDADMA‐PS) 21. The concentrations of the polyelectrolytes were expressed in moles of the repeating unit per liter.…”

Section: Methodsmentioning

confidence: 99%

Interaction of polydiallyldimethylammonium salts with iodine

Bendoraitienė

Mazoniene

Zemaitaitiene

et al. 2006

J of Applied Polymer Sci

Self Cite

View full text Add to dashboard Cite

ABSTRACT:The interaction between polydiallyldimethylammonium chloride (PDADMAC) and KI or KBr, followed by changes in conformation of macromolecules, coil compaction, and counterion exchange, was detected by means of turbidimetry and viscometry. In aqueous solutions at presence of KI, PDADMAC rapidly binds iodine by the formation of polymer-iodine complexes PDADMA I Ϫ I m (m Յ 4). Spectrophotometric investigations of the interaction in water without KI prove the formation of complexes of polyquaternary ammonium chloride or bromide with iodine only via iodide. These ions can be generated in the polymercatalyzed hydrolysis reaction of iodine. By inducing hydrolysis of iodine and binding the eventually formed iodide, PDADMAC acts as an iodine acceptor with self-strengthening capacity. For the sorption of gaseous iodine, the possibility of direct interaction of its dipoles with the charged groups of the polyelectrolyte is also reasoned. Polydiallyldimethylammonium halides were used to modify activated carbon and employed in a nuclear power station for treatment of outlet gases containing radioactive iodine.

show abstract

“…Moreover, DES might lower rate constant of a polymerization termination related to the high viscosity of a solution, similar to effects observed for some ionic liquid-mediated radical free polymerization. 41 Additionally, ammonium salts are known to catalyze decomposition of persulfates [42][43][44] and also the rate of the decomposition depend on the pH and the presence of IA. 45,46 From that reasons, DESs can directly influence on the rate constant of an initiator decomposition, thus increase overall polymerization rate.…”

Section: Article Wileyonlinelibrarycom/appmentioning

confidence: 99%

Synthesis of hydrogels by polymerization of itaconic acid–choline chloride deep eutectic solvent

Bednarz

Fluder

Galica

et al. 2014

J of Applied Polymer Sci

View full text Add to dashboard Cite

Itaconic acid (IA)–choline chloride (CC) deep eutectic solvents (DES) were prepared and characterized by NMR, TGA, and DSC. Poly(itaconic acid–co–bisacrylamide) hydrogels were synthesized by in situ polymerization‐crosslinking of the DES. For comparison, the hydrogels were also prepared in water under the same process conditions, that is, temperature, time, initial concentration of the monomer, the initiator, and N,N′‐methylenebisacrylamide (BAA) as the cross‐linking agent. Chemical structure of the polymers was proved by elemental analysis and FTIR. The values of insoluble gel fraction and water swelling of obtained hydrogels suggest that polymers prepared in DES have higher cross‐link density. Preliminary comparative studies of polymerization of IA in water and in DES medium indicated higher polymerization rate resulting from the presence of the choline salt, what might explain properties of the hydrogels prepared in DES. This study shows that DES can be used both as a solvent and catalyst in free‐radical polymerization processes. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40608.

show abstract

Interaction of polyquaternary ammonium salt and persulfate

Cited by 9 publications

References 19 publications

Transport properties of some cationic polysaccharides

Transport properties of some cationic polysaccharides

Interaction of polydiallyldimethylammonium salts with iodine

Synthesis of hydrogels by polymerization of itaconic acid–choline chloride deep eutectic solvent

Contact Info

Product

Resources

About